US2753861A - Concrete and stone cutter - Google Patents

Concrete and stone cutter Download PDF

Info

Publication number
US2753861A
US2753861A US499313A US49931355A US2753861A US 2753861 A US2753861 A US 2753861A US 499313 A US499313 A US 499313A US 49931355 A US49931355 A US 49931355A US 2753861 A US2753861 A US 2753861A
Authority
US
United States
Prior art keywords
bars
frame
cutter
knives
rocker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US499313A
Inventor
Joseph J Bode
Original Assignee
Joseph J Bode
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Joseph J Bode filed Critical Joseph J Bode
Priority to US499313A priority Critical patent/US2753861A/en
Application granted granted Critical
Publication of US2753861A publication Critical patent/US2753861A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/22Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
    • B28D1/222Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising by pressing, e.g. presses

Description

2 Sheets-Sheet 1 July 10, J BQDE CONCRETE AND STONE CUTTER Filed April 5, 1955 R H 0 m w A 2 m W Y G B, w r W wl|| |l| 5 f a Z; p d 9 0 Z M a J 5 Z 5 m 4 ||Y M 7 4 r 5 ,H o 12 4 w r M r M, W J fl fl y 0, 1956 J. -J. BODE CONCRETE AND STONE CUTTER 2 Sheets-Sheet 2 Filed April 5, 1955 5 m. 6 r 5/ ;/A/ A 1 w/w V QX y W M INVENTOR.
JUJEPH A 500.5
mar): w ATTQZ/VEYS CONCRETE AND STONE CUTTER Joseph J. Bode, Harrah, Okla.
Application April 1955, Serial No. 499,313
3 Claims. (Cl. 125-23) This invention relates, in general, to concrete and stone cutters.
At the present time it is customary to manufacture concrete blocks that are cut in two and used for building material. The cutting or splitting causes a rock face or rough face which is desirable in building. When the cutting is done with a straight blade cutter, it is not very successful in that there is a great deal of breakage.
One object of the present invention is to equalize the pressure of a row of knives, carried by each of two jaws, as the jaws close on a block, and then to semi-lock the blades in position, as the pressure is increased and the block is cut.
In the curing of blocks they sometimes curve with a bend in the center. Other times they cure with a hard part at the edge.
With a straight blade cutter the curved blocks break across the center thus ruining the block; while with blocks that are hard at one end the block breaks on one end only and this causes half of one side to break out, and so ruin the block.
With a cutter in accordance with this invention, pressure is equalized, both for blocks with a bend, or bow, in them, and for blocks with hard places in them so that in each case the block is cut in the desired manner.
Further objects and purposes, and characteristics of this invention will appear as the description progresses, reference being had to the accompanying drawings, showing, solely by way of example, and in no way in a limiting sense, one form which the invention can assume.
In the drawings:
Figure l is a schematic view, showing how the knives of the two jaws conform with the faces of blocks to be cut;
accordance with this invention with parts broken away;
Figure 3 is a sectional view on line 33 of Figure 2, and viewed in the direction of the arrows:
Figure 4 is a sectional view on line 4-4 of Figure 2 anw viewed in the direction of the arrows; and
Figure 5 is a sectional view on line 5-5 of Figure 4, and viewed in the direction of the arrows.
Referring now to the drawings, the cutter has a fixed frame, with top and bottom members 6 and 7, and grooved side rails 8 and 9, and is mounted on a base 10.
Suitably supported in the fixed frame is a block 11 to be cut, and both above and below the block is a slidable frame, each having side plates, 12 and 13, held together by spacers and rivets 14. These frames are slidable in grooves 15 in the members 8 and 9.
The lower slidable frame is supported by abutments 16 and 17 adjustable by screw means 18 in height.
The upper slidable frame can be power-operated toward the lower one by a piston 19 in a cylinder 20, and controlled by pressure through pipes 21 and 22 by means of a valve 23, in an obvious manner.
The two slidable frames are alike, and thus, a description of one should suflice for both.
Figure 2 is a front elevational view of a cutter in 'j nited States Patent 0 ice Considering the upper fame, the piston 19 operates on a bearing bar 24, which rests at its ends on shoulders 25 of the frame 26 and thus constitutes a part of the frame. In the bearing bar 24 is a wide curved seat 27, receiving a wide curved shoulder 28 on a main rocker arm 29.
The arm 29 in turn has two wide curved seats 30 and 31 in which seat curved shoulders 32 and 33 of secondary rocker arms 34 and 35. The rocker arms 34 and 35 each have two curved shoulders 36, 37, 38 and 39 which bear on the tops of four knives 40, 41, 42 and 43. These knives have their cutting edges aligned, and are rockingly supported in the frame, as with knife 43, by a pin 44, carried by the frame, and received in a slot 45, in the knife with a spring 46 between the pin and one end of the slot.
The rocker arms 29 and 34 and 35 are all floatingly supported in their frame by springs at the ends thereof. For example, arm 29 is supported by spring 47 positioned between a lug 48 on the frame, and 2. lug 49, on the arm. At its other end it is supported in the same manner by spring 50.
The rocker arms 34 and 35 are supported in the same way. For example, the outer end of arm 35 is supported by spring 51, between lugs 52 and 53.
With the construction as above described, when pressure is applied to bar 24, the two sets of knives are forced against the surfaces of block 11 and accurately conform to the block faces by virtue of the knives rocking on their pins, and the rocker arms rocking in their bearings. As pressure builds up the various parts in the frame are semi-locked in their proper adjusted positions, and the block is cut as desired, whether it be curved, or contains hard parts at the edges, ends or other places.
The way in which the knives conform to the faces of the block, is illustrated in three different cases in Figure 1, as is obvious from the drawing.
The above specific description of one form of the invention has been given solely by way of example and is not intended in any manner in a limiting sense.
All modifications, variations and adaptations such as fall within the scope of the appended claims are intended to be protected by this disclosure.
What is claimed is:
1. In a concrete and stone cutter, a vertical frame having upper and lower cross members and side rails having facing vertical grooves, upper and lower cutter assemblies in said frame between said cross members, said assemblies comprising frames having cross fixed bars and side bars, the side bars being slidably confined in the grooves of said side rails, the assemblies being similar but reversed with respect to each other with the cross bar of the upper assembly frame adjacent the upper cross member of the vertical frame and the cross bar of the upper assembly frame at the lower end of the lower assembly frame, the cross bars having long central curved seats, main rocker bars at the inward sides of the cross bars having on one side long central curved projections bearing in the long seats, said main rocker bars having longitudinally spaced long curved seats on their opposite sides, longitudinally spaced secondary rocker bars at the inward sides of the main rocker bars, said secondary rocker bars each having a long curved projection severally engaged in the seats of the main rocker bars, said secondary rocker bars having each a pair of longitudinally spaced long curved projections on their inward sides, knives at the inward sides of the secondary rocker bars having outer ends and inner cutting ends, the outer ends of the knives bearing severally against the projections of the secondary rocker bars, side plates on the assembly frames between which the main rocker bars, secondary rocker bars, and knives are slidably confined between the cutter assembly side bars, means mounting the knives on said side plates for vertical movement relative thereto, and pressure means for forcing the cutter assemblies toward each other.
2. In a concrete and stone cutter, a vertical frame having upper and lower cross members and side rails having facing vertical grooves, upper and lower cutter assemblies in said frame between said cross members, said assemblies comprising frames having cross fixed bars and side bars, the side bars being slidably confined in the grooves of said side rails, the assemblies being similar but reversed with respect to each other with the cross bar of the upper assembly frame adjacent the upper cross member of the vertical frame and the cross bar of the upper assembly frame at the lower end of he lower assembly frame, the cross bars having long central curved seats, main rocker bars at the inward sides of the cross bars having on one side long central curved projections bearing in the long seats, said main rocker bars having longitudinally spaced long curved seats on their opposite sides, longitudinally spaced secondary rocker bars at the inward sides of the main rocker bars, said secondary rocker bars each having a long curved projection severally engaged in the seats of the ma rocker bars, said secondary rocker bars having each a pair of longitudinally spaced long curved projections on their inward sides, knives at the inward sides of the secondary rocker bars having outer ends and inner cutting ends, the outer ends of the knives bearing severally against the projections of the secondary rocker bars, side plates on the assembly frames between which the main rocker bars, secondary rocker bars, and knives are slidably confined between the cutter assembly side bars, means mounting the knives on said side plates for vertical movement relative thereto, and pressure means for forcing the cutter assemblies toward each other, first floating spring means acting between the main rocker bars and the assembly frames, second floating spring means acting between the secondary rocker bars and the assembly frames, and third floating spring means acting between said mounting means and the knives.
3. In a concrete and stone cutter, a vertical frame having upper and lower cross members and side rails having facing vertical grooves, upper and lower cutter assemblies in said frame between said cross members, said assemblies comprising frames having cross fixed bars and side bars, the side bars being slidably confined in the grooves of said side rails, the assemblies being similar but reversed with respect to each other with the cross bar of the upper assembly frame adjacent the upper cross member of the vertical frame and the cross bar of the upper assembly frame at the lower end of the lower assembly frame, the cross bars having long central curved seats, main rocker bars at the inward sides of the cross bars having on one side long central curved projections bearing the long seats, said main rocker bars having longitudinally s accd long curved seats on their opposite sides, longitudinally spaced secondary rocker bars at the inward sides of main rocker bars, said secondary rocker bars each having a long curved projection severally engaged in the seats of the main rocker bars, said secondary rocker bars having each a pair of longitudinally spaced long curved projections on their inward sides, knives at the inward sides of the secondary rocker bars having outer ends and inner cutting ends, the outer ends of the knives bearing severally against the projections of the secondary rocker bars, side plates on the assembly frames between which the main rocker bars, secondary rocker bars, and knives are slidably confined between the cutter assembly side bars, means mounting the knives on said side plates for vertical movement relative thereto, and pressure means for forcing the cutter assemblies toward each other, said pressure means comprising wedge means acting between the cross bar of the lower cutter assembly and the lo cross member of the vertical frame for vertically adjusting the lower cutter assembly in the vertical frame.
References Cited in the file of this patent UNITED STATES PATENTS 2,152,193 Johanning Mar. 28, 1939 2,557,098 Graham et al. June l9, l95l FOREIGN PATENTS 830,473 Germany Feb. 4, i952
US499313A 1955-04-05 1955-04-05 Concrete and stone cutter Expired - Lifetime US2753861A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US499313A US2753861A (en) 1955-04-05 1955-04-05 Concrete and stone cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US499313A US2753861A (en) 1955-04-05 1955-04-05 Concrete and stone cutter

Publications (1)

Publication Number Publication Date
US2753861A true US2753861A (en) 1956-07-10

Family

ID=23984767

Family Applications (1)

Application Number Title Priority Date Filing Date
US499313A Expired - Lifetime US2753861A (en) 1955-04-05 1955-04-05 Concrete and stone cutter

Country Status (1)

Country Link
US (1) US2753861A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2911862A (en) * 1954-09-13 1959-11-10 Eckold Walter High-speed mechanism for hand-controlled sheet metal working machinery
US2974661A (en) * 1958-02-03 1961-03-14 Miami Stone Inc Pressure equalizing assembly for stone breaking presses
US2979994A (en) * 1955-11-11 1961-04-18 Jagenberg Werke Ag Assembly for pressing the upper end or lower margins of a container
US3098476A (en) * 1961-01-06 1963-07-23 Miami Stone Inc Stone splitter
US4203414A (en) * 1979-01-08 1980-05-20 Mcclain Harold F Stone cutting apparatus
US6401706B1 (en) 1999-10-25 2002-06-11 Cee Jay Tool, Inc. Foldable and transportable stone cutting system
NL1028335C2 (en) * 2005-02-18 2006-08-21 Almi Machf B V Stone cutting device with pair of sliding blades, has distance between blades set using adjustment part connected to bottom blade
EP2159200A3 (en) * 2008-08-29 2013-09-04 Mitsuboshi Diamond Industrial Co., Ltd. Brittle material breaking device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2152193A (en) * 1938-06-17 1939-03-28 Paul M Johanning Stone cutting machine
US2557098A (en) * 1948-05-03 1951-06-19 Von B Graham Shearing machine
DE830473C (en) * 1950-03-13 1952-02-04 Pronto Nv Device for dividing bricks or the like.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2152193A (en) * 1938-06-17 1939-03-28 Paul M Johanning Stone cutting machine
US2557098A (en) * 1948-05-03 1951-06-19 Von B Graham Shearing machine
DE830473C (en) * 1950-03-13 1952-02-04 Pronto Nv Device for dividing bricks or the like.

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2911862A (en) * 1954-09-13 1959-11-10 Eckold Walter High-speed mechanism for hand-controlled sheet metal working machinery
US2979994A (en) * 1955-11-11 1961-04-18 Jagenberg Werke Ag Assembly for pressing the upper end or lower margins of a container
US2974661A (en) * 1958-02-03 1961-03-14 Miami Stone Inc Pressure equalizing assembly for stone breaking presses
US3098476A (en) * 1961-01-06 1963-07-23 Miami Stone Inc Stone splitter
US4203414A (en) * 1979-01-08 1980-05-20 Mcclain Harold F Stone cutting apparatus
US6401706B1 (en) 1999-10-25 2002-06-11 Cee Jay Tool, Inc. Foldable and transportable stone cutting system
NL1028335C2 (en) * 2005-02-18 2006-08-21 Almi Machf B V Stone cutting device with pair of sliding blades, has distance between blades set using adjustment part connected to bottom blade
EP2159200A3 (en) * 2008-08-29 2013-09-04 Mitsuboshi Diamond Industrial Co., Ltd. Brittle material breaking device

Similar Documents

Publication Publication Date Title
US3619880A (en) Circular saw blades or side-milling cutters with teeth of facet design
US2327407A (en) Deburring machine
US2625861A (en) Work mounting fixture
US2313686A (en) Saw guard
DE20321875U1 (en) For a versatile application conceived woodworking knife and clamping group
US3834435A (en) Dovetail fixture
SU1326186A3 (en) Housing of busbar of chain petrol saw
DE3613132C2 (en)
US20060185488A1 (en) Blade assembly
CN204194900U (en) Chain connecting rod multi-station milling machine
US5357833A (en) Device (clamp) for retaining rolls or logs by pressure in cutters for the production of toilet paper and other items
US2454992A (en) Apparatus for resurfacing meat blocks
US3285302A (en) Circular saw machine
SE414721B (en) TOOL CUTTING MACHINE FOR PROCESSING THE PROFILE TOOL EGGS, IN PARTICULAR THE KNIFE HEAD WITH INSERTED PROFILE KNIVES, SOLID STEEL PROFILE CUTTERS OR WITH PALODED PROFILES ETC
US3095868A (en) Stone facing machine cutter head
US3307242A (en) Segmental saw tooth clamp
US3922942A (en) Apparatus for cutting up tire casings
CN106002371A (en) Horizontal type clamping jig
SE1350999A1 (en) Apparatus and tools for treating a cutting edge
US3714856A (en) Siding cutter
US2219602A (en) Shearing tool
US3492984A (en) Cell block splitting machine
US2582694A (en) Device for severance of rigid materials
US2419155A (en) Wood pulp screen plate
US1932659A (en) Tile cutting and breaking machine